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Finding the Third Proportional to 18,978 and 27,335

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Solution

The third proportional to 18,978 and 27,335 is: 39,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,978 : 27,335 = 27,335 : x
  2. Step 2: Convert to fraction form
    18,978/27,335 = 27,335/x
  3. Step 3: Cross multiply
    18,978x = 27,335 × 27,335
  4. Step 4: Simplify right side
    18,978x = 747,202,225
  5. Step 5: Solve for x
    x = 747,202,225/18,978
  6. Step 6: Final answer
    x = 39,372.02

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